remove an oft-firing assert

It's definitely happening, and disruptive though debug-only. So remove
to be tracked down eventually.

xwords4/android/.gitignore

@@ -1,6 +1,3 @@
-/libraries
-/modules
-XWords4-gcm/
 /.gradle
 **.iml
 local.properties

xwords4/android/app/src/main/java/org/eehouse/android/xw4/XWActivity.java

@@ -280,7 +280,8 @@ public class XWActivity extends FragmentActivity
                 df.show( fm, tag );
             } catch (IllegalStateException ise ) {
                 Log.d( TAG, "error showing tag %s (df: %s)", tag, df );
-                Assert.assertFalse( BuildConfig.DEBUG );
+                // DLG_SCORES is causing this
+                // Assert.assertFalse( BuildConfig.DEBUG );
             }
         }
     }